Compilare: user.cpp: In member function ‘bool drum_class::add_muc(int, int)’: user.cpp:128:8: warning: unused variable ‘tmp’ [-Wunused-variable] auto tmp = join(rx, ry); ^ user.cpp: In member function ‘bool drum_class::rem_muc(int, int)’: user.cpp:143:8: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] auto tmp = split(rx, py); ^ user.cpp: In member function ‘std::vector<int> drum_class::get_ends(int)’: user.cpp:161:7: warning: unused variable ‘px’ [-Wunused-variable] int px = get_poz(x), sx = rx->sz; ^ user.cpp: In member function ‘bool drum_class::rem_muc(int, int)’: user.cpp:145:3: warning: control reaches end of non-void function [-Wreturn-type] } ^